. >>> this morning at los angeles international airport, a much quieter scene. a gunman opened fire three days ago. now new details on the alleged gunman and a possible motive. >> reporter: new photos of the terror at l.a.x. friday morning showed passengers huddled together inside an airport bathroom. an early deserted security check point and heavily armed law enforcement officials. as airport operations returned to normal on sunday, flowers left inside terminal three served as a solemn reminder of the deadly shooting. according to a federal criminal complaint, 23-year-old paul ciancia came prepared with apassault rifle, high capacity magazines, a bag of am new mission and manifesto. >> we found a statement where he made a conscious decision to kill multiple tsa employees. >> reporter: as me his way through the terminal, ciancia reportedly asked some people if they were with tsa. he moved on when they responded no. but at the security check point, he opened fire. tsa officer, hernandez, about to celebrate his 40th birthday, was killed. two other agents were wou